This scratch detection ruler is an essential tool for anyone needing to measure and inspect surface imperfections. The transparent material allows for clear visibility, making it easy to identify and measure scratches accurately. Ideal for quality assurance in production lines, this tool helps maintain high standards of product appearance and performance. Features -Color:Multi -Material:Plastic -Size:10.00X6.20X0.01cm/3.93X2.44X0.00in -Precision and accuracy: the chest card gauge film ruler offers precise measurements for various dimensions, ideal for tasks requiring high accuracy -Multipurpose tool: this versatile ruler can measure dot gauges, line gauges, spots, cracks, and more, catering to a wide range of measurement needs - construction: made from plastic materials, this ruler is wearresistant and , ensuring performance -Clear and transparent design: the transparent ruler design allows for easy observation and reading of measurements, enhancing user convenience -Easy to use: with its straightforward operation, this measurement tool can be used effortlessly by anyone, regardless of their expertise Package list: 1 x High Precision SEC Size Chart